Can't really compare gut shots that don't hit anything major to an arterial shot. Apples and oranges.
Plus, if the assailant is on certain drugs, stopping power goes out the window, unless you get a CNS shot.
Had the trooper hit the assailant in the same spot where the assailant shot the trooper, the assailant would have ended up the same way as the trooper.
Had the trooper shot the assailant in the heart/lungs with his .357, the assailant would have had a lot harder time breathing and functioning.
Stopping and killing are two different things, and that is one of the flaws in the linked article.
The assailant got lucky. Plain and simple. Had the trooper dumped those four rounds into the assailants chest, instead of his gut, the story would have been about a dead assailant, instead of a dead trooper.
The author lost credibility by referencing the Nicole Brown Simpson case, and by stating that the knife "ruptured" major blood vessels.
The knife severed the blood vessels.